A and B are two events. Let P(A)=0.45, P(B)=0.2, and P(A and B)=0.65 Are the events are independent?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

How can you construct perpendicular lines and prove theorems about perpendicular lines

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line